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Derivatives (Details) - Not Designated as Hedging Instrument
gal in Millions
6 Months Ended
Jun. 30, 2023
$ / Option
gal
Call Option | Heating Oil  
Derivative [Line Items]  
Remainder of 2023 (in gallons) 12
2023 (in used per gallon) | $ / Option 2.97
Diesel Purchases | Minimum  
Derivative [Line Items]  
Diesel fuel purchased annually (in gallons) 30
Diesel Purchases | Maximum  
Derivative [Line Items]  
Diesel fuel purchased annually (in gallons) 35